Some questions about electric potential

[aoiwy]

http://img188.imageshack.us/img188/2231/p1040967s.jpg
(for the above grah, the plate is inseted in the middle)


http://img683.imageshack.us/img683/7662/p1040968s.jpg
(for the above grah, the plate is inseted in the middle)


http://img11.imageshack.us/img11/7476/conductor1.jpg


http://img25.imageshack.us/img25/7110/conductor2.jpg









Refering to the above graphs, can anyone help explain the phenomenons of several stages labelled? (a,b,c,d,e,f,g,h,i,j)

thx for the help!

 

[rcgldr]

The grapsh show voltage versus position on a horizontal line going through the middle of the depicted objects, with "before" meaning without the presence of the second object in the middle or on the right in the diagragms, and after meaning with the presence of the second object. It seems the main idea is to show that the voltage doesn't change within a conductor. The first diagram shows the case where a hollow conducting object sets up up an opposing internal field.

 

[aoiwy]

Yes.
But I'd like to know every labelled phenonmenon in detail.
(and I know there're really a lot of questions =P)
anyway, thanks for your answer.